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Hypopituitarism is the decreased (hypo) secretion of one or more of the eight hormones normally produced by the pituitary gland at the base of the brain. [1] [2] If there is decreased secretion of one specific pituitary hormone, the condition is known as selective hypopituitarism. [3]
Signs and symptoms [ edit ] Autoimmune hypophysitis can lead to deficiencies in one or more pituitary hormones, causing central diabetes insipidus if the posterior pituitary gland is affected as well as central adrenal insufficiency and central hypothyroidism if the anterior pituitary gland is affected. [ 1 ]
Hypoprolactinemia can result from autoimmune disease, [2] hypopituitarism, [1] growth hormone deficiency, [2] hypothyroidism, [2] excessive dopamine action in the tuberoinfundibular pathway and/or the anterior pituitary, and ingestion of drugs that activate the D 2 receptor, such as direct D 2 receptor agonists like bromocriptine and pergolide, and indirect D 2 receptor activators like ...
Several other hormonal deficiencies may develop in the subacute phase. 50% have a deficiency in thyroid-stimulating hormone (TSH), leading to hyposecretion of thyroid hormone by the thyroid gland and characteristic symptoms such as fatigue, weight gain, and cold intolerance. 75% develop a deficiency to gonadotropins (LH and FSH), which control ...
Poor pituitary production of LH is thought to be implicated in obesity-associated testosterone deficiency. One study revealed that altering a BMI from 30 to 25 kg/m2 could result in a 13 percent ...
Sheehan's syndrome, also known as postpartum pituitary gland necrosis, occurs when the pituitary gland is damaged due to significant blood loss and hypovolemic shock (ischemic necrosis) or stroke, originally described during or after childbirth leading to decreased functioning of the pituitary gland (hypopituitarism). [1]
Iron deficiency can lead anemia, signs of which include pale skin, fatigue, weakness, shortness of breath, headache, brittle nails or hair loss and more, according to the American Society of ...
This is the defining feature of Kallmann syndrome; it is not seen in other cases of HH. Approximately 50% of HH cases occur with anosmia and can be termed as Kallmann syndrome. [3] Cleft palate, cleft lip or other midline cranio-facial defects. [4] Neural hearing impairment [3] Absence of one of the kidneys (unilateral renal agenesis) [3]